Analysis
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max time kernel
98s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2023 16:44
Static task
static1
Behavioral task
behavioral1
Sample
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe
Resource
win10v2004-20231127-en
General
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Target
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe
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Size
577KB
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MD5
a4fa700148049299a5800d542d2691d2
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SHA1
e1d5d567763ea8586b8d318de20d545ad97d98f6
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SHA256
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84
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SHA512
faae5801f98ae1fa93a3695be94eef69a2740bd40955e46dbc395588527fb17bc0ce773dcdb7adb8d5fc0cb01ab7eda7c746f64d16b9041da4e80c30011b5a9b
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SSDEEP
12288:fED71TllYmtlNXItdKTtQ9maIMKlcViQmbCpk:fEDhTllLlRRJQ9LXq
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.belt-tech.com.my - Port:
587 - Username:
[email protected] - Password:
Beltechpg@1234 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3824-14-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 47 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exedescription pid process target process PID 4208 set thread context of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exeRegSvcs.exepid process 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe 3824 RegSvcs.exe 3824 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe Token: SeDebugPrivilege 3824 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exedescription pid process target process PID 4208 wrote to memory of 1504 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 1504 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 1504 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe PID 4208 wrote to memory of 3824 4208 f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe"C:\Users\Admin\AppData\Local\Temp\f2fd94a4807a949f3a53c1c0bf922d724d3fa0aa9e5a9dd834edbc9187597b84exe.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1504
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3824